<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.4062500 38.2208334, 138.4125000 38.2208334, 138.4125000 38.2250000, 138.4062500 38.2250000, 138.4062500 38.2208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral